Q: Given n people live in n houses and at some instant all of them disappear and reappear in some other house. What is the probability that no two meet each other.
Q: 25 racehorses, no stopwatch. 5 tracks. Figure out the top three fastest horses in the fewest number of races?
Q: I bought a car with a peculiar 5 digit numbered licence plate which on reversing could still be read. On reversing value is increased by 78633.Whats the original number if all digits were different?
Q: Consider a NxN matrix in which the elements are either 0 or 1. Find how many such matrixes are possible that are symmetric in nature(the matrix and its transpose count as 1.
Q: Write a letter to top management
Q: X and Y start a business jointly. X invests Rs.16000 for 8 months and Y remains in the business for 4 months. Out of the total profit Y claims 2/7th share. How much money is contributed by Y?
Q: ?Deep Fritz? is?
Q: Two cars cover the same distance at the speed of 60 and 64 kmps respectively. Find the distance traveled by them if the slower car takes 1 hour more than the faster car.
Q: A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13?
Q: Why do you think you are smart?
Q: The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
Q: Which of the following statements drawn from the given statements are correct?Given:All watches sold in that shop are of high standard. Some of the HMT watches are sold in that shop.a) All watches of high standard were manufactured by HMT.b) Some of the HMT watches are of high standard.c) None of the HMT watches is of high standard.d) Some of the HMT watches of high standard are sold in that shop.
Q: Present ages of Sameer and Anand are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Anand's present age in years?
Q: List out the difference between the largest and the smallest number written with 7, 7, 0, 7?
Q: The temperature of Chennai follows the equation t2/6+4t+12 where t is measured by the number of hours after midnight. Find out the percentage increase (or decrease) of temperature between 4pm and 9 pm of any day at Chennai.
Q: Difference between hard work and smart work?
Q: A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum?
Q: Find the ratio of the curved surfaces of two cylinders of same heights if their radii are in the ratio 1:2.
Q: You have eight red socks and 11 blue socks in a drawer. They are identical but for the colour. You must select your socks in the dark. How many socks, at a minimum, must you take out of your sock drawer before you have a matching pair?
Q: What are the three things you would like to change in this world?